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