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