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