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