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