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