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