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