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