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