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