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)(17,18,22,23)(19,24,27,30)(20,25,29,32)(21,28,31,26)(35,44)(37,47)(39,40)(42,48)(3,9)(7,13)(10,15)(14,16)(18,23)(20,29)(24,30)(26,28)(33,34,38,43)(35,40,44,39)(36,45,46,41)(37,42,47,48)(2,6)(7,13)(8,11)(14,16)(18,23)(19,27)(25,32)(26,28)(33,35,38,44)(34,39,43,40)(36,42,46,48)(37,41,47,45)(1,2)(3,7)(4,8)(5,6)(9,13)(10,14)(11,12)(15,16)(17,19,22,27)(18,24,23,30)(20,28,29,26)(21,25,31,32)(33,35)(34,40)(36,42)(37,41)(38,44)(39,43)(45,47)(46,48)(1,3,5,9)(2,7,6,13)(4,10,12,15)(8,14,11,16)(17,20,22,29)(18,25,23,32)(19,28,27,26)(21,24,31,30)(33,36,38,46)(34,41,43,45)(35,42,44,48)(37,39,47,40)(1,4)(2,8)(3,10)(5,12)(6,11)(7,14)(9,15)(13,16)(17,21,22,31)(18,26,23,28)(19,25,27,32)(20,30,29,24)(33,37)(34,42)(35,41)(36,40)(38,47)(39,46)(43,48)(44,45)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.