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