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