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