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