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