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