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