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