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