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