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