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