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