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)(19,24)(20,21)(22,31)(23,25)(26,29)(27,30)(28,32)(1,3,5,4)(2,6,8,7)(9,10)(11,14)(12,13)(15,16)(17,19)(18,24)(20,30)(21,27)(22,29)(23,28)(25,32)(26,31)(10,13)(14,16)(17,20,21,18,23,31,22,25)(19,26,27,32,28,30,29,24)(1,3,5,4)(2,7,8,6)(9,11)(10,14)(12,15)(13,16)(17,21,23,22)(18,20,25,31)(19,27,28,29)(24,30,32,26)(1,4,5,3)(2,6,8,7)(11,15)(14,16)(19,28)(24,32)(26,30)(27,29)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.