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