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