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