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