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