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