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