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