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