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