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