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