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