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