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