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