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