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