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