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