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