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