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