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