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