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