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