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