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