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