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