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