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