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