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