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