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