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