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