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