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