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