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