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