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