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