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