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