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