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