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