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