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