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