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