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