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