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