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