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