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