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