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