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