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