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