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)(17,18,23,22)(19,26,21,24)(20,25,28,30)(27,32,29,31)(33,34,39,44)(35,42,37,40)(36,41,47,46)(38,43,48,45)(1,2,5,6)(3,7,11,9)(4,8,14,12)(10,15,13,16)(17,19,23,21)(18,24,22,26)(20,27,28,29)(25,31,30,32)(33,35,39,37)(34,40,44,42)(36,43,47,45)(38,46,48,41)(2,6)(7,9)(8,12)(15,16)(20,28)(25,30)(27,29)(31,32)(33,35,39,37)(34,40,44,42)(36,43,47,45)(38,46,48,41)(1,2)(3,7)(4,12)(5,6)(8,14)(9,11)(10,16)(13,15)(17,20)(18,25)(19,27)(21,29)(22,30)(23,28)(24,31)(26,32)(33,36,39,47)(34,41,44,46)(35,45,37,43)(38,40,48,42)(1,3)(2,7)(4,13)(5,11)(6,9)(8,16)(10,14)(12,15)(17,21,23,19)(18,24,22,26)(20,29,28,27)(25,31,30,32)(33,37,39,35)(34,42,44,40)(36,43,47,45)(38,46,48,41)(1,4,5,14)(2,8,6,12)(3,10,11,13)(7,15,9,16)(17,22,23,18)(19,26,21,24)(20,25,28,30)(27,31,29,32)(33,38)(34,43)(35,46)(36,42)(37,41)(39,48)(40,47)(44,45)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.