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