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