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