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