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