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