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)(19,24)(20,26)(21,27)(22,32)(23,25)(28,29)(30,31)(33,34)(35,45)(36,42)(37,38)(39,43)(40,44)(41,47)(46,48)(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,19,23,22)(18,24,25,32)(20,28,27,30)(21,31,26,29)(33,35)(34,41)(36,39)(37,46)(38,43)(40,47)(42,48)(44,45)(2,6)(7,9)(8,12)(14,15)(18,25)(20,27)(24,32)(28,30)(33,36,40,37)(34,42,44,38)(35,39,47,46)(41,48,45,43)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,20,23,27)(18,26,25,21)(19,28,22,30)(24,29,32,31)(33,37,40,36)(34,42,44,38)(35,46,47,39)(41,48,45,43)(1,3,5,11)(2,7,6,9)(4,10,13,16)(8,14,12,15)(17,21,23,26)(18,27,25,20)(19,29,22,31)(24,28,32,30)(33,38,40,42)(34,37,44,36)(35,43,47,48)(39,41,46,45)(1,4)(2,8)(3,10)(5,13)(6,12)(7,14)(9,15)(11,16)(17,22,23,19)(18,24,25,32)(20,30,27,28)(21,31,26,29)(33,39,40,46)(34,43,44,48)(35,36,47,37)(38,45,42,41)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.