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