Specify a color for each rule in Snakemake DAG

Question

I'm running snakemake -n -c1 --dag | dot -Tsvg > dag.svg to get the DAG file. I was wondering if I could somehow set the color scheme for every node. For example, in the picture below, rule samtools_fixmate is of different color from samtools_sort and of samtools_markduplicates. Can you somehow specify within snakemake file what color the nodes should be?

I'll settle even for out-of-snakefile solutions.

Answer 1

Similar to this answer, you can export the dag into a dot file:

snakemake --dag > test.dot

The dot file can then be edited as necessary.