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