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