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