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