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