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)(11,14)(12,15)(13,16)(17,18,24,21)(19,22,26,23)(20,27,30,32)(25,31,28,29)(1,3)(2,5)(4,7)(6,8)(9,11,14,10)(12,15,13,16)(17,19,24,26)(18,22,21,23)(20,27,30,32)(25,29,28,31)(3,7)(5,8)(9,12,14,13)(10,15,11,16)(17,20)(18,25)(19,27)(21,28)(22,29)(23,31)(24,30)(26,32)(2,6)(3,7)(9,13,14,12)(10,15,11,16)(17,21,24,18)(19,22,26,23)(20,28,30,25)(27,29,32,31)(3,7)(5,8)(10,11)(15,16)(17,22,24,23)(18,26,21,19)(20,29,30,31)(25,32,28,27)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.