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