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