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