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