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