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