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