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