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)(19,24)(20,22)(21,26)(23,25)(27,29)(28,31)(30,32)(2,5)(6,7)(9,11)(10,12)(13,14)(15,16)(17,19,23,20)(18,24,25,22)(21,27,30,28)(26,29,32,31)(1,2)(3,6)(4,5)(7,8)(18,25)(19,20)(26,32)(27,28) involution — undirected(9,12,15,13)(10,16,14,11)(17,20,23,19)(18,22,25,24)(21,28,30,27)(26,31,32,29)(1,2)(3,7)(4,5)(6,8)(9,13,15,12)(10,16,14,11)(17,21)(18,26)(19,27)(20,28)(22,31)(23,30)(24,29)(25,32)(1,3)(2,6)(4,8)(5,7)(9,14,15,10)(11,13,16,12)(17,22)(18,19)(20,25)(21,29)(23,24)(26,28)(27,32)(30,31)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.