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