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)(19,25)(20,23)(21,24)(22,27)(26,31)(28,30)(29,32)(1,3,6,13)(2,7,10,15)(4,12,5,14)(8,11,9,16)(17,19,21,26)(18,22,24,29)(20,27,28,32)(23,25,30,31)(4,5)(8,9)(11,16)(12,14)(20,28)(27,32) involution — undirected(1,4,6,5)(2,8,10,9)(3,12,13,14)(7,11,15,16)(19,26)(22,29)(25,31)(27,32)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.