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