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