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