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