You can drag your files back to wherever you had them beforehand with no further ado as long as your pref remains Desktop > command-J > Sort by: > None.)
I now understand that you're trying to get your colored labels to look like
this. (Thanks, Urquhart.)
I use a 3rd party app,
XtraFinder, that requires jumping through a Recovery Partition/Terminal hoop or two, but the developer has provided pretty good instructions.