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