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