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