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