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