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