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