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