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