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