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)(20,21)(22,25)(23,24)(26,31)(28,29)(30,32)(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)(18,24)(20,26)(25,27)(28,30)(34,35)(39,41)(40,42)(46,47)(4,12)(9,14)(11,13)(15,16)(17,19,23,22)(18,25,24,27)(20,30,26,28)(21,29,31,32)(33,35,38,34)(36,41,44,39)(37,42,45,40)(43,47,48,46)(1,4,7,12)(2,9,6,14)(3,11,5,13)(8,15,10,16)(17,20,23,26)(18,21,24,31)(19,28,22,30)(25,32,27,29)(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)(17,21)(18,26)(19,29)(20,24)(22,32)(23,31)(25,28)(27,30)(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)(17,22,23,19)(18,25,24,27)(20,28,26,30)(21,29,31,32)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.