One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,6)(3,7,8,5)(10,12)(11,15)(17,18,22,23)(19,25,28,24)(20,21,29,30)(26,31,32,27)(1,2,4,6)(3,5,8,7)(9,10,13,12)(11,16,15,14)(1,2)(3,5)(4,6)(7,8)(9,11,13,15)(10,14,12,16)(18,23)(20,29)(24,25)(26,32)(1,3,4,8)(2,5,6,7)(9,12,13,10)(11,16,15,14)(17,19,22,28)(18,24,23,25)(20,26,29,32)(21,27,30,31)(17,20)(18,21)(19,26)(22,29)(23,30)(24,27)(25,31)(28,32) involution — undirected(17,21)(18,20)(19,27)(22,30)(23,29)(24,26)(25,32)(28,31) 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.