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