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