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