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