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