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)(19,22)(20,25)(21,30)(23,27)(24,29)(26,31)(28,32) involution — undirected(1,2)(3,7)(4,8)(5,6)(17,19)(18,24)(20,30)(21,28)(22,27)(23,29)(25,31)(26,32) involution — undirected(1,3,5,4)(2,7,6,8)(9,10,12,14)(11,13,16,15)(17,20)(18,25)(19,26)(21,24)(22,31)(23,32)(27,28)(29,30)(9,10)(11,13)(12,14)(15,16)(17,21,23,31)(18,26,27,30)(19,28,29,25)(20,24,32,22)(9,11,12,16)(10,13,14,15)(17,22,23,24)(18,19,27,29)(20,31,32,21)(25,26,28,30)(1,4,5,3)(2,8,6,7)(17,19)(18,22)(20,26)(21,28)(23,29)(24,27)(25,31)(30,32)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.