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