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)(11,13,15,16)(17,18,22,23)(19,24,21,20)(25,26)(27,30)(28,31)(29,32)(2,3)(6,7)(17,19,22,21)(18,20,23,24)(25,27)(26,29)(28,32)(30,31)(4,8)(6,7)(18,23)(19,21)(25,27,28,32)(26,30,31,29)(1,3,5,2)(4,7,8,6)(9,10)(11,13)(12,14)(15,16)(17,20,22,24)(18,19,23,21)(25,26)(27,30)(28,31)(29,32)(1,4)(2,6)(3,7)(5,8)(9,11,12,15)(10,13,14,16)(17,21,22,19)(18,24,23,20)(25,27)(26,30)(28,32)(29,31)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.