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