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