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