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