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