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