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