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