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