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)(11,12)(13,16)(14,15)(17,18)(19,22)(20,23)(21,24)(25,32)(26,30)(27,29)(28,31)(2,5)(6,7)(17,19,21,27,20,26,28,25)(18,22,24,29,23,30,31,32)(9,11,12,10,14,16,13,15)(18,23)(19,25)(21,28)(22,29)(26,27)(30,32)(1,3,4,8)(2,6,5,7)(9,12,14,13)(10,11,15,16)(19,26)(22,30)(25,27)(29,32)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.