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