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