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