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