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