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