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