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