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