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