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