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