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