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