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