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