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