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