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