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