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