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