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