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