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