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