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