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