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