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