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