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