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