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