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