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