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