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