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