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