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