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