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