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