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