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