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