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