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