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