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