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