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