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)(19,26)(23,31)(27,32)(28,29)(1,3,6,15,8,4,7,14)(2,9,12,13,5,10,11,16)(17,18,21,25)(19,27,26,32)(20,24,22,30)(23,28,31,29)(1,4,8,3)(2,10,5,9)(6,15,7,14)(11,16,12,13)(17,19,21,26)(18,23,25,31)(20,29,22,28)(24,32,30,27)(1,5)(2,8)(3,10)(4,9)(6,11)(7,12)(13,14)(15,16)(17,20,21,22)(18,24,25,30)(19,28,26,29)(23,27,31,32)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.