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