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