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