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