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