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