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