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