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