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