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