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)(17,18,21,25,23,19,22,27)(20,26,29,32,31,24,30,28)(1,3,8,2)(4,13,12,16)(5,15,9,14)(6,10,7,11)(17,18)(19,23)(20,28)(21,27)(22,25)(24,29)(26,30)(31,32)(1,4)(2,9)(3,5)(6,14)(7,15)(8,12)(10,16)(11,13)(17,19,23,18)(20,26,31,24)(21,27,22,25)(28,29,32,30)(1,5,8,9)(2,4,3,12)(6,16,7,13)(10,15,11,14)(17,20,23,31)(18,24,19,26)(21,30,22,29)(25,32,27,28)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.