With s3fs-1.83-lp150.1.3.x86_64

And the bucket configured at /etc/fstab, and credentials at /etc/passwd-s3fs:
> linux-cagg:~ #  grep s3fs /etc/fstab
> s3fs#cf-templates-12ygdzmfdu02u-us-east-2 /mnt fuse allow_other,nonempty,use_cache=/tmp/cache 0 0

If we try to mount: 
> linux-cagg:~ # mount /mnt/
> mount: /mnt: wrong fs type, bad option, bad superblock on s3fs#cf-templates-12ygdzmfdu02u-us-east-2, missing codepage or helper program, or other error.

But if we install the fuse package:
> linux-cagg:~ # zypper in -y fuse
> Loading repository data...
> Reading installed packages...
> Resolving package dependencies...
> 
> The following NEW package is going to be installed:
>   fuse
> 
> 1 new package to install.
> Overall download size: 82.9 KiB. Already cached: 0 B. After the operation, additional 224.9 KiB will be used.
> Continue? [y/n/...? shows all options] (y): y
> Retrieving package fuse-2.9.7-lp150.1.30.x86_64                                                                                                                                                                                           > (1/1),  82.9 KiB (224.9 KiB unpacked)
> Retrieving: fuse-2.9.7-lp150.1.30.x86_64.rpm ............................................................................................................................................................................................................................[done]
> Checking for file conflicts: ............................................................................................................................................................................................................................................[done]
> (1/1) Installing: fuse-2.9.7-lp150.1.30.x86_64 ..........................................................................................................................................................................................................................[done]
> Additional rpm output:
> setting /usr/bin/fusermount to root:trusted 4755. (wrong permissions 4750)

It works!
> linux-cagg:~ # mount /mnt/
> 
> linux-cagg:~ #

I tried at openSUSE 42.3 with s3fs 1.78-6, and it happens the same (in fact
this problem was originally reported against EPEL7 at
https://github.com/juliogonzalez/s3fs-fuse-rpm/issues/9

I will submit patches for the SPEC file.