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