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