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