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