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