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