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