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