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