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