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