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