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