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