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