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