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