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