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)(17,18,20,22)(19,25,27,23)(21,24,28,29)(26,30,32,31)(5,7,8,6)(9,11,13,12)(10,14,16,15)(18,22)(19,26)(21,28)(23,30)(25,31)(27,32)(1,2,3,4)(9,11,13,12)(10,15,16,14)(17,19,21,26,20,27,28,32)(18,23,24,31,22,25,29,30)(9,12,13,11)(10,15,16,14)(18,22)(19,27)(24,29)(26,32)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.