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