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