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