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