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