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