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