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