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