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