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