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