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