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