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