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