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