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