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