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