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