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