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