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