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