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