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