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