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