One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,7,8,5)(9,10)(11,13)(12,14)(15,16)(17,18,22,27,23,26,29,28)(19,24,21,31,30,32,25,20)(1,3,4,8)(2,5,6,7)(9,10)(11,15)(12,14)(13,16)(17,19,23,30)(18,24,26,32)(20,27,31,28)(21,29,25,22)(9,11,12,16)(10,13,14,15)(17,20)(18,25)(19,28)(21,26)(22,32)(23,31)(24,29)(27,30)(3,8)(5,7)(11,16)(13,15)(17,21)(18,20)(19,29)(22,30)(23,25)(24,27)(26,31)(28,32) involution — undirected(10,14)(13,15)(18,26)(19,30)(21,25)(27,28) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.