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