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)(11,16)(12,13)(14,15)(17,18)(19,20)(21,24)(22,23)(25,26,30,28)(27,29,32,31)(10,15)(13,16)(17,19,21,23)(18,22,24,20)(25,26,30,28)(27,31,32,29)(1,3,5,4)(2,6,8,7)(9,11,14,12)(10,16,15,13)(17,20)(18,23)(19,24)(21,22)(25,27,30,32)(26,31,28,29)(1,4,5,3)(2,7,8,6)(9,12,14,11)(10,16,15,13)(17,20)(18,19)(21,22)(23,24)(25,28,30,26)(27,29,32,31)(1,2)(3,6)(4,7)(5,8)(9,13,14,16)(10,12,15,11)(17,19)(18,22)(20,24)(21,23)(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.