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