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