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