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