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