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