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