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