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