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