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