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