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