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