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