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