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)(11,15)(12,13)(14,16)(18,20)(19,24)(25,26,29,30)(27,28,31,32)(1,3,5,8)(2,6,4,7)(9,11,14,12)(10,13,16,15)(17,18)(19,22)(20,21)(23,24)(25,27,29,31)(26,28,30,32)(9,11,14,12)(10,15,16,13)(17,19)(18,22)(20,23)(21,24)(25,28)(26,27)(29,32)(30,31)(1,4,5,2)(3,7,8,6)(9,12,14,11)(10,15,16,13)(17,20,21,18)(19,23,24,22)(25,27)(26,28)(29,31)(30,32)(1,3)(2,7)(4,6)(5,8)(9,13,14,15)(10,12,16,11)(17,19)(18,23)(20,22)(21,24)(25,26)(27,28)(29,30)(31,32)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.