A syntax file for edir that highlights a buffer according to the definition of your $LS_COLORS variable.
vim-plug:
Plug 'trapd00r/LS_COLORS-edir.vim'
Plug 'trapd00r/LS_COLORS-edir.vim', { 'for': 'LS_COLORS-edir' }
and export EDIR_EDITOR
accordingly:
export EDIR_EDITOR='vim -c ":setf LS_COLORS-edir | set nolist"'