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