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