One vertex per element, one color per generator, with an edge from x to x·s.
(3,7)(6,8)(9,10)(11,14)(12,16)(13,15)(17,18,22,20)(19,23,25,26)(21,28,29,24)(27,32,31,30)(33,34,38,39)(35,36,43,40)(37,41,46,47)(42,44,48,45)(1,2,5,4)(3,6,7,8)(9,11,13,12)(10,14,15,16)(19,25)(23,26)(27,31)(30,32)(34,39)(36,40)(41,47)(44,45)(9,12,13,11)(10,14,15,16)(17,19)(18,23)(20,26)(21,27)(22,25)(24,30)(28,32)(29,31)(33,35)(34,40)(36,39)(37,42)(38,43)(41,45)(44,47)(46,48)(1,3)(2,6)(4,8)(5,7)(9,10)(11,16)(12,14)(13,15)(17,20,22,18)(19,26,25,23)(21,28,29,24)(27,32,31,30)(33,36,38,40)(34,35,39,43)(37,45,46,44)(41,48,47,42)(1,4,5,2)(3,8,7,6)(17,21)(18,24)(19,27)(20,28)(22,29)(23,30)(25,31)(26,32)(33,37,38,46)(34,41,39,47)(35,42,43,48)(36,44,40,45)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.