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