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