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