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