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