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