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