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