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