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