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