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