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