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)(20,24)(22,27)(23,25)(26,30)(28,31)(29,32)(1,3,4,8)(2,5,6,7)(9,11)(10,14)(12,15)(13,16)(17,19,21,18,23,27,22,25)(20,26,30,24,29,31,28,32)(2,6)(3,8)(9,12,13,10)(11,15,16,14)(17,20)(18,24)(19,26)(21,30)(22,28)(23,29)(25,32)(27,31)(2,6)(3,8)(11,16)(14,15)(17,21,23,22)(18,19,25,27)(20,28,29,30)(24,31,32,26)(2,6)(5,7)(17,19,21,18,23,27,22,25)(20,26,30,24,29,31,28,32)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.