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