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