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)(11,13)(12,14)(15,16)(17,18,20,22)(19,23,24,21)(27,30)(28,32)(1,3,6,4)(2,7,5,8)(9,11)(10,12)(13,16)(14,15)(17,18,20,22)(19,21,24,23)(25,26,29,31)(27,28,30,32)(9,12,15,13)(10,11,16,14)(17,18)(19,21)(20,22)(23,24)(25,27,29,30)(26,28,31,32)(1,4,6,3)(2,8,5,7)(9,13,15,12)(10,11,16,14)(1,5,6,2)(3,7,4,8)(9,14,15,11)(10,13,16,12)(17,19)(18,21)(20,24)(22,23)(25,28)(26,30)(27,31)(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.