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