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