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