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