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