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