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