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