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