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