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