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